/* roulang page: index */
:root {
            --primary: #1e2a4a;
            --primary-dark: #141c33;
            --primary-light: #2d3d66;
            --accent: #ffb800;
            --accent-rgb: 255, 184, 0;
            --accent-hover: #e6a600;
            --secondary: #e8452c;
            --bg: #f5f7fb;
            --bg-alt: #ffffff;
            --bg-dark: #141c33;
            --text: #1a1f36;
            --text-weak: #6b7280;
            --text-light: #f8fafc;
            --border: #e5e8f0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.10);
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 76px;
            --container: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: 90px 0;
        }

        .section-alt {
            background: var(--bg-alt);
        }

        .section-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-header .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(var(--accent-rgb), 0.12);
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 16px;
        }

        .section-header h2 {
            font-size: clamp(28px, 3.6vw, 40px);
            font-weight: 800;
            color: var(--text);
            line-height: 1.25;
            letter-spacing: -0.5px;
        }

        .section-dark .section-header h2 {
            color: var(--text-light);
        }

        .section-header p {
            margin-top: 14px;
            font-size: 16px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 100px;
            font-size: 15px;
            font-weight: 700;
            line-height: 1;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #ffd000);
            color: var(--primary-dark);
            box-shadow: 0 6px 24px rgba(var(--accent-rgb), 0.30);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: linear-gradient(135deg, var(--accent-hover), var(--accent));
            box-shadow: 0 8px 32px rgba(var(--accent-rgb), 0.45);
            transform: translateY(-2px);
            color: var(--primary-dark);
        }

        .btn-outline {
            border-color: rgba(255, 255, 255, 0.4);
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .btn-outline:hover,
        .btn-outline:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-dark {
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-dark:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(var(--accent-rgb), 0.5);
            outline-offset: 3px;
        }

        /* 徽章 */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 100px;
            font-size: 12px;
            font-weight: 700;
            background: rgba(var(--accent-rgb), 0.13);
            color: #b07d00;
            line-height: 1.4;
        }

        .badge-dark {
            background: rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.9);
        }

        .badge-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-weak);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            background: #f0f2f7;
            color: var(--text-weak);
            transition: var(--transition);
        }

        .tag:hover {
            background: rgba(var(--accent-rgb), 0.15);
            color: var(--primary);
        }

        /* 导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: transparent;
            border-bottom: 1px solid transparent;
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
        }

        .nav-container {
            max-width: var(--container);
            height: 100%;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
            transition: var(--transition);
            line-height: 1.2;
            flex-shrink: 0;
        }

        .site-logo:hover {
            opacity: 0.85;
        }

        .site-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
            box-shadow: 0 4px 16px rgba(30, 42, 74, 0.3);
        }

        .site-header.scrolled .site-logo {
            color: var(--primary);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-menu a {
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            border-radius: 100px;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .site-header.scrolled .nav-menu a {
            color: var(--text);
        }

        .nav-menu a:hover {
            color: var(--accent);
            background: rgba(var(--accent-rgb), 0.10);
        }

        .nav-menu a.active {
            color: var(--accent);
            background: rgba(var(--accent-rgb), 0.14);
            font-weight: 700;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 100px;
            padding: 7px 16px;
            gap: 8px;
            transition: var(--transition);
        }

        .site-header.scrolled .nav-search {
            background: #f0f2f7;
            border-color: transparent;
        }

        .nav-search i {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
        }

        .site-header.scrolled .nav-search i {
            color: var(--text-weak);
        }

        .nav-search input {
            background: transparent;
            border: none;
            color: #fff;
            width: 88px;
            font-size: 13px;
            transition: var(--transition);
        }

        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .site-header.scrolled .nav-search input {
            color: var(--text);
        }

        .site-header.scrolled .nav-search input::placeholder {
            color: var(--text-weak);
        }

        .nav-search input:focus {
            width: 120px;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .site-header.scrolled .nav-toggle {
            color: var(--primary);
            background: #f0f2f7;
        }

        .nav-toggle:hover {
            background: rgba(var(--accent-rgb), 0.2);
        }

        /* 移动端导航抽屉 */
        .mobile-nav {
            position: fixed;
            top: var(--nav-height);
            right: 0;
            width: 280px;
            height: calc(100vh - var(--nav-height));
            background: var(--primary-dark);
            padding: 24px;
            z-index: 999;
            transform: translateX(100%);
            transition: var(--transition);
            overflow-y: auto;
            border-left: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-nav.open {
            transform: translateX(0);
        }

        .mobile-nav a {
            display: block;
            padding: 14px 18px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            font-weight: 600;
            border-radius: 12px;
            margin-bottom: 6px;
            transition: var(--transition);
        }

        .mobile-nav a:hover {
            background: rgba(var(--accent-rgb), 0.12);
            color: var(--accent);
        }

        .mobile-nav a.active {
            background: rgba(var(--accent-rgb), 0.16);
            color: var(--accent);
        }

        body.no-scroll {
            overflow: hidden;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: #fff;
            overflow: hidden;
            padding-top: calc(var(--nav-height) + 40px);
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(20, 28, 51, 0.92) 0%, rgba(20, 28, 51, 0.75) 45%, rgba(20, 28, 51, 0.35) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }

        .hero .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(var(--accent-rgb), 0.18);
            border: 1px solid rgba(var(--accent-rgb), 0.3);
            color: var(--accent);
            padding: 7px 18px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 24px;
        }

        .hero h1 {
            font-size: clamp(36px, 5vw, 58px);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }

        .hero h1 .accent-text {
            color: var(--accent);
        }

        .hero-desc {
            font-size: clamp(16px, 1.6vw, 19px);
            color: rgba(255, 255, 255, 0.82);
            max-width: 600px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 56px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 36px;
        }

        .hero-stat .number {
            font-size: 34px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 6px;
            display: block;
        }

        .hero-stat .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }

        .hero-scroll {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            color: rgba(255, 255, 255, 0.6);
            font-size: 20px;
            animation: bounce 2s infinite;
        }

        @keyframes bounce {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(8px);
            }
        }

        /* 特征卡片 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), transparent);
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 58px;
            height: 58px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 24px;
            margin-bottom: 22px;
            box-shadow: 0 8px 24px rgba(30, 42, 74, 0.25);
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 12px;
        }

        .feature-card p {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* 分类卡片 */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .category-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-alt);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            display: block;
        }

        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-8px);
        }

        .category-card .cover {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .category-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .category-card:hover .cover img {
            transform: scale(1.06);
        }

        .category-card .cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(20, 28, 51, 0.3), transparent);
        }

        .category-card .body {
            padding: 28px;
        }

        .category-card h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 10px;
        }

        .category-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .category-card .arrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            transition: var(--transition);
        }

        .category-card:hover .arrow {
            gap: 14px;
            color: var(--accent-hover);
        }

        /* 资讯列表 */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }

        .news-row {
            display: flex;
            gap: 24px;
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: var(--transition);
            align-items: center;
        }

        .news-row:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .news-row .thumb {
            width: 200px;
            height: 130px;
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-row .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .news-row:hover .thumb img {
            transform: scale(1.05);
        }

        .news-row .body {
            flex: 1;
            min-width: 0;
        }

        .news-row .badge {
            margin-bottom: 8px;
        }

        .news-row h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .news-row h3 a {
            color: var(--text);
        }

        .news-row h3 a:hover {
            color: var(--primary);
        }

        .news-row p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-row time {
            font-size: 13px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-list-footer {
            text-align: center;
            margin-top: 36px;
        }

        .empty-tip {
            text-align: center;
            padding: 50px 20px;
            background: var(--bg-alt);
            border: 1px dashed var(--border);
            border-radius: var(--radius-md);
            color: var(--text-weak);
            font-size: 15px;
        }

        /* 数据板块 */
        .data-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            padding: 100px 0;
        }

        .data-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 28, 51, 0.95), rgba(30, 42, 74, 0.85));
        }

        .data-section .container {
            position: relative;
            z-index: 2;
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .data-item {
            padding: 32px 16px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }

        .data-item:hover {
            background: rgba(var(--accent-rgb), 0.10);
            border-color: rgba(var(--accent-rgb), 0.3);
            transform: translateY(-4px);
        }

        .data-item .number {
            font-size: clamp(30px, 4vw, 48px);
            font-weight: 900;
            color: var(--accent);
            line-height: 1.2;
            display: block;
            margin-bottom: 8px;
        }

        .data-item .label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
        }

        /* 流程 */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .process-step {
            text-align: center;
            padding: 40px 24px;
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            position: relative;
            transition: var(--transition);
        }

        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .process-step .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), #ffd000);
            color: var(--primary-dark);
            font-size: 18px;
            font-weight: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 6px 20px rgba(var(--accent-rgb), 0.3);
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* 内容推荐区块 */
        .insight-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 32px;
            align-items: stretch;
        }

        .insight-main {
            background: var(--bg-alt);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .insight-main:hover {
            box-shadow: var(--shadow-md);
        }

        .insight-main .cover {
            height: 240px;
            overflow: hidden;
            position: relative;
        }

        .insight-main .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .insight-main:hover .cover img {
            transform: scale(1.03);
        }

        .insight-main .cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(20, 28, 51, 0.2), transparent);
        }

        .insight-main .body {
            padding: 30px;
        }

        .insight-main .body h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text);
        }

        .insight-main .body p {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .insight-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .insight-item {
            display: flex;
            gap: 16px;
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px;
            align-items: center;
            transition: var(--transition);
        }

        .insight-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
            border-color: transparent;
        }

        .insight-item .icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(var(--accent-rgb), 0.12);
            color: #b07d00;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .insight-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 2px;
        }

        .insight-item p {
            font-size: 13px;
            color: var(--text-weak);
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: var(--transition);
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: rgba(var(--accent-rgb), 0.3);
        }

        .faq-item summary {
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            list-style: none;
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(var(--accent-rgb), 0.12);
            color: #b07d00;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 14px;
            transition: var(--transition);
        }

        .faq-item[open] summary .icon {
            transform: rotate(45deg);
            background: rgba(var(--accent-rgb), 0.2);
        }

        .faq-item .answer {
            padding: 0 28px 22px;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 18px;
            margin-top: 0;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            padding: 80px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(var(--accent-rgb), 0.1);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.6);
            padding: 56px 0 24px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), #ffd000);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-dark);
            font-size: 17px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
        }

        .footer-bottom .domain {
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.5px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .features-grid,
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .insight-grid {
                grid-template-columns: 1fr;
            }

            .nav-search {
                display: none;
            }

            .nav-menu {
                gap: 4px;
            }

            .nav-menu a {
                padding: 8px 14px;
                font-size: 14px;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 64px 0;
            }

            .nav-menu,
            .nav-cta .btn {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .hero {
                background-attachment: scroll;
                min-height: auto;
                padding-bottom: 70px;
            }

            .hero-stats {
                gap: 24px;
            }

            .hero-stat .number {
                font-size: 26px;
            }

            .news-row {
                flex-direction: column;
                gap: 14px;
            }

            .news-row .thumb {
                width: 100%;
                height: 180px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .data-section {
                background-attachment: scroll;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .features-grid,
            .category-grid,
            .process-grid,
            .data-grid {
                grid-template-columns: 1fr;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .section-header h2 {
                font-size: 26px;
            }

            .news-row .thumb {
                height: 150px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .hero-stats {
                gap: 16px;
            }

            .hero-stat .number {
                font-size: 22px;
            }

            .hero-stat .label {
                font-size: 12px;
            }
        }

        /* 动画 */
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeUp 0.6s ease forwards;
        }

        @keyframes fadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

/* roulang page: article */
:root {
        --primary: #1d4ed8;
        --primary-dark: #1e40af;
        --primary-light: #3b82f6;
        --accent: #f59e0b;
        --accent-light: #fbbf24;
        --bg-dark: #0b1220;
        --bg-dark-2: #111c2e;
        --bg-main: #f1f5f9;
        --bg-card: #ffffff;
        --text-main: #1e293b;
        --text-weak: #64748b;
        --text-light: #94a3b8;
        --border: #e2e8f0;
        --radius-lg: 20px;
        --radius-md: 14px;
        --radius-sm: 8px;
        --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.06);
        --shadow-md: 0 6px 28px rgba(15, 23, 42, 0.08);
        --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.14);
        --transition: all 0.25s ease;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        background: var(--bg-main);
        color: var(--text-main);
        line-height: 1.75;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: var(--transition);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button,
    input {
        font-family: inherit;
        font-size: inherit;
        border: none;
        outline: none;
        background: none;
    }
    ul,
    ol {
        list-style: none;
    }
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(11, 18, 32, 0.68);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        transition: var(--transition);
    }
    .site-header.scrolled {
        background: rgba(11, 18, 32, 0.92);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    }
    .nav-container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        gap: 24px;
    }
    .site-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 19px;
        font-weight: 800;
        color: #fff;
        letter-spacing: 0.5px;
        white-space: nowrap;
        flex-shrink: 0;
    }
    .logo-icon {
        width: 38px;
        height: 38px;
        background: linear-gradient(135deg, var(--accent), #ef4444);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 16px;
        box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
    }
    .nav-menu {
        display: flex;
        align-items: center;
        gap: 32px;
        margin-left: auto;
    }
    .nav-menu a {
        color: rgba(255, 255, 255, 0.85);
        font-size: 15px;
        font-weight: 500;
        padding: 8px 0;
        position: relative;
        transition: var(--transition);
    }
    .nav-menu a::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        height: 2px;
        background: var(--accent);
        border-radius: 2px;
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.3s ease;
    }
    .nav-menu a:hover {
        color: #fff;
    }
    .nav-menu a:hover::after,
    .nav-menu a.active::after {
        transform: scaleX(1);
    }
    .nav-menu a.active {
        color: #fff;
        font-weight: 600;
    }
    .nav-cta {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-shrink: 0;
    }
    .nav-search {
        display: flex;
        align-items: center;
        background: rgba(255, 255, 255, 0.12);
        border-radius: 30px;
        padding: 8px 16px;
        gap: 8px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        transition: var(--transition);
    }
    .nav-search i {
        color: rgba(255, 255, 255, 0.7);
        font-size: 13px;
    }
    .nav-search input {
        width: 120px;
        background: transparent;
        color: #fff;
        font-size: 13px;
    }
    .nav-search input::placeholder {
        color: rgba(255, 255, 255, 0.45);
    }
    .nav-search:focus-within {
        background: rgba(255, 255, 255, 0.18);
        border-color: var(--accent);
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: 30px;
        font-weight: 600;
        font-size: 14px;
        border: 2px solid transparent;
        cursor: pointer;
        transition: var(--transition);
        text-align: center;
    }
    .btn-primary {
        background: var(--accent);
        color: #0b1220;
        box-shadow: 0 4px 18px rgba(245, 158, 11, 0.3);
    }
    .btn-primary:hover {
        background: var(--accent-light);
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
    }
    .btn-outline {
        border-color: rgba(255, 255, 255, 0.6);
        color: #fff;
        background: transparent;
    }
    .btn-outline:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: #fff;
    }
    .btn-light {
        background: #fff;
        color: var(--primary);
        box-shadow: 0 4px 18px rgba(0, 0, 0, 0.1);
    }
    .btn-light:hover {
        background: var(--bg-main);
        transform: translateY(-2px);
    }
    .btn-dark {
        background: var(--bg-dark);
        color: #fff;
    }
    .btn-dark:hover {
        background: var(--bg-dark-2);
    }
    .nav-toggle {
        display: none;
        color: #fff;
        font-size: 20px;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.1);
        cursor: pointer;
        transition: var(--transition);
    }
    .nav-toggle:hover {
        background: rgba(255, 255, 255, 0.2);
    }
    .article-hero {
        background: linear-gradient(135deg, rgba(11, 18, 32, 0.92), rgba(17, 28, 46, 0.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        padding: 160px 0 64px;
        position: relative;
        border-bottom: 3px solid rgba(245, 158, 11, 0.5);
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.6);
        margin-bottom: 24px;
    }
    .breadcrumb a {
        color: rgba(255, 255, 255, 0.75);
        transition: var(--transition);
    }
    .breadcrumb a:hover {
        color: var(--accent);
    }
    .breadcrumb .sep {
        color: rgba(255, 255, 255, 0.4);
        font-size: 10px;
    }
    .breadcrumb .current {
        color: var(--accent);
        font-weight: 500;
    }
    .article-hero-head {
        max-width: 860px;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(245, 158, 11, 0.18);
        border: 1px solid rgba(245, 158, 11, 0.4);
        color: var(--accent-light);
        padding: 6px 16px;
        border-radius: 30px;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.5px;
        margin-bottom: 18px;
    }
    .hero-badge i {
        font-size: 11px;
    }
    .article-hero h1 {
        font-size: 38px;
        line-height: 1.35;
        color: #fff;
        font-weight: 800;
        margin-bottom: 20px;
        letter-spacing: 0.5px;
    }
    .article-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 24px;
        color: rgba(255, 255, 255, 0.65);
        font-size: 14px;
    }
    .article-meta span {
        display: inline-flex;
        align-items: center;
        gap: 7px;
    }
    .article-meta i {
        color: var(--accent);
        font-size: 13px;
    }
    .article-main-section {
        padding: 56px 0 40px;
        background: var(--bg-main);
    }
    .grid-x {
        margin: 0 -12px;
    }
    .cell {
        padding: 0 12px;
    }
    .article-card {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-md);
        padding: 48px 44px;
        margin-bottom: 24px;
        border: 1px solid rgba(226, 232, 240, 0.6);
    }
    .article-content {
        font-size: 16px;
        line-height: 1.9;
        color: #334155;
    }
    .article-content h2 {
        font-size: 26px;
        font-weight: 700;
        color: var(--text-main);
        margin: 36px 0 16px;
        padding-bottom: 10px;
        border-bottom: 2px solid var(--bg-main);
        position: relative;
    }
    .article-content h2::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: -2px;
        width: 60px;
        height: 3px;
        background: var(--accent);
        border-radius: 3px;
    }
    .article-content h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--text-main);
        margin: 28px 0 12px;
    }
    .article-content p {
        margin-bottom: 16px;
    }
    .article-content a {
        color: var(--primary);
        text-decoration: underline;
    }
    .article-content a:hover {
        color: var(--primary-dark);
    }
    .article-content img {
        max-width: 100%;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        margin: 20px 0;
    }
    .article-content ul {
        margin: 12px 0 20px;
        padding-left: 24px;
        list-style: disc;
    }
    .article-content ol {
        margin: 12px 0 20px;
        padding-left: 24px;
        list-style: decimal;
    }
    .article-content li {
        margin-bottom: 8px;
    }
    .article-content blockquote {
        border-left: 4px solid var(--accent);
        padding: 16px 24px;
        background: #fffbeb;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        margin: 20px 0;
        color: #92400e;
        font-style: italic;
    }
    .article-content table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
        font-size: 14px;
    }
    .article-content table th,
    .article-content table td {
        border: 1px solid var(--border);
        padding: 12px 16px;
        text-align: left;
    }
    .article-content table th {
        background: var(--bg-main);
        font-weight: 600;
    }
    .article-footer {
        margin-top: 36px;
        padding-top: 28px;
        border-top: 1px solid var(--border);
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 16px;
    }
    .article-tags {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
    }
    .tag-label {
        font-size: 13px;
        color: var(--text-weak);
        font-weight: 500;
        margin-right: 4px;
    }
    .tag-item {
        display: inline-block;
        background: #f1f5f9;
        border: 1px solid var(--border);
        color: var(--text-weak);
        padding: 4px 14px;
        border-radius: 20px;
        font-size: 12px;
        transition: var(--transition);
    }
    .tag-item:hover {
        background: var(--accent);
        color: #fff;
        border-color: var(--accent);
    }
    .article-share {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 13px;
        color: var(--text-weak);
    }
    .share-icon {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: var(--bg-main);
        border: 1px solid var(--border);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: var(--text-weak);
        font-size: 13px;
        transition: var(--transition);
    }
    .share-icon:hover {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }
    .not-found-card {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-md);
        padding: 64px 48px;
        text-align: center;
    }
    .not-found-icon {
        width: 72px;
        height: 72px;
        border-radius: 50%;
        background: #fef3c7;
        color: var(--accent);
        font-size: 28px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 24px;
    }
    .not-found-card h2 {
        font-size: 28px;
        font-weight: 700;
        margin-bottom: 10px;
        color: var(--text-main);
    }
    .not-found-card p {
        color: var(--text-weak);
        margin-bottom: 28px;
        font-size: 15px;
    }
    .sidebar {
        position: sticky;
        top: 92px;
    }
    .sidebar-card {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        padding: 24px;
        margin-bottom: 20px;
        border: 1px solid rgba(226, 232, 240, 0.6);
    }
    .sidebar-card h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 16px;
        padding-bottom: 12px;
        border-bottom: 2px solid var(--bg-main);
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .sidebar-card h3::before {
        content: '';
        width: 4px;
        height: 18px;
        background: var(--accent);
        border-radius: 4px;
    }
    .article-info-list li {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 9px 0;
        font-size: 13px;
        color: var(--text-weak);
        border-bottom: 1px solid #f8fafc;
    }
    .article-info-list li:last-child {
        border-bottom: none;
    }
    .article-info-list li i {
        width: 18px;
        color: var(--primary);
        font-size: 13px;
        text-align: center;
    }
    .article-info-list li span {
        margin-left: auto;
        color: var(--text-main);
        font-weight: 500;
        font-size: 12px;
    }
    .hot-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .hot-item {
        display: flex;
        gap: 12px;
        align-items: center;
        padding: 10px;
        border-radius: var(--radius-sm);
        transition: var(--transition);
        border: 1px solid transparent;
    }
    .hot-item:hover {
        background: #f8fafc;
        border-color: var(--border);
        transform: translateX(4px);
    }
    .hot-item img {
        width: 74px;
        height: 60px;
        object-fit: cover;
        border-radius: 8px;
        flex-shrink: 0;
    }
    .hot-item h4 {
        font-size: 13px;
        line-height: 1.5;
        color: var(--text-main);
        font-weight: 600;
        margin-bottom: 4px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .hot-item span {
        font-size: 11px;
        color: var(--primary);
        font-weight: 500;
    }
    .category-list li a {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 11px 14px;
        border-radius: var(--radius-sm);
        color: var(--text-main);
        font-size: 14px;
        font-weight: 500;
        transition: var(--transition);
        margin-bottom: 6px;
    }
    .category-list li a:hover {
        background: #f8fafc;
        color: var(--primary);
        padding-left: 20px;
    }
    .category-list li a i {
        width: 20px;
        text-align: center;
        color: var(--accent);
        font-size: 14px;
    }
    .related-section {
        background: var(--bg-card);
        padding: 64px 0;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }
    .section-head {
        text-align: center;
        margin-bottom: 40px;
    }
    .section-head .section-eyebrow {
        color: var(--accent);
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 2px;
        text-transform: uppercase;
        margin-bottom: 8px;
        display: block;
    }
    .section-head h2 {
        font-size: 30px;
        font-weight: 800;
        color: var(--text-main);
        margin-bottom: 8px;
    }
    .section-head p {
        color: var(--text-weak);
        font-size: 15px;
    }
    .rel-card {
        background: var(--bg-main);
        border-radius: var(--radius-md);
        overflow: hidden;
        border: 1px solid var(--border);
        transition: var(--transition);
        height: 100%;
        display: flex;
        flex-direction: column;
    }
    .rel-card:hover {
        box-shadow: var(--shadow-lg);
        transform: translateY(-6px);
        border-color: transparent;
    }
    .rel-card-img {
        position: relative;
        overflow: hidden;
        height: 180px;
    }
    .rel-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .rel-card:hover .rel-card-img img {
        transform: scale(1.06);
    }
    .rel-card-cat {
        position: absolute;
        top: 12px;
        left: 12px;
        background: rgba(11, 18, 32, 0.8);
        backdrop-filter: blur(8px);
        color: #fff;
        font-size: 11px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 20px;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .rel-card-body {
        padding: 20px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .rel-card-body h3 {
        font-size: 16px;
        font-weight: 700;
        line-height: 1.5;
        color: var(--text-main);
        margin-bottom: 8px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .rel-card-body h3 a:hover {
        color: var(--primary);
    }
    .rel-card-body p {
        font-size: 13px;
        color: var(--text-weak);
        line-height: 1.6;
        margin-bottom: 14px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .rel-card-link {
        margin-top: auto;
        font-size: 13px;
        color: var(--primary);
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .rel-card-link:hover {
        gap: 10px;
        color: var(--primary-dark);
    }
    .latest-section {
        padding: 64px 0;
        background: var(--bg-main);
    }
    .latest-card {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
        padding: 32px;
        border: 1px solid rgba(226, 232, 240, 0.5);
    }
    .latest-card .section-head {
        text-align: left;
        margin-bottom: 24px;
    }
    .latest-card .section-head h2 {
        font-size: 22px;
    }
    .latest-list {
        display: flex;
        flex-direction: column;
    }
    .latest-item {
        display: flex;
        align-items: center;
        gap: 20px;
        padding: 16px 0;
        border-bottom: 1px solid #f1f5f9;
        transition: var(--transition);
        border-radius: var(--radius-sm);
    }
    .latest-item:last-child {
        border-bottom: none;
    }
    .latest-item:hover {
        background: #fafbfc;
        padding-left: 16px;
        padding-right: 16px;
    }
    .latest-date {
        font-size: 13px;
        color: var(--text-weak);
        font-family: 'Courier New', monospace;
        flex-shrink: 0;
        background: var(--bg-main);
        padding: 4px 12px;
        border-radius: 20px;
        border: 1px solid var(--border);
    }
    .latest-title {
        font-size: 15px;
        color: var(--text-main);
        font-weight: 500;
        flex: 1;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .latest-title:hover {
        color: var(--primary);
    }
    .latest-cat {
        font-size: 12px;
        color: var(--accent);
        font-weight: 600;
        background: #fffbeb;
        border: 1px solid #fde68a;
        padding: 3px 12px;
        border-radius: 20px;
        flex-shrink: 0;
    }
    .cta-section {
        padding: 64px 0;
        background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-2) 100%), url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center;
        border-top: 3px solid rgba(245, 158, 11, 0.6);
    }
    .cta-box {
        text-align: center;
        max-width: 680px;
        margin: 0 auto;
        padding: 24px;
    }
    .cta-box h2 {
        font-size: 32px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 12px;
    }
    .cta-box p {
        color: rgba(255, 255, 255, 0.7);
        font-size: 15px;
        margin-bottom: 28px;
    }
    .cta-actions {
        display: flex;
        justify-content: center;
        gap: 16px;
        flex-wrap: wrap;
    }
    .site-footer {
        background: var(--bg-dark);
        padding: 56px 0 24px;
        color: rgba(255, 255, 255, 0.7);
    }
    .footer-top {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 48px;
        margin-bottom: 40px;
    }
    .footer-brand .logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 16px;
    }
    .footer-brand .logo .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    .footer-brand p {
        font-size: 14px;
        line-height: 1.8;
        max-width: 340px;
        color: rgba(255, 255, 255, 0.6);
    }
    .footer-col h4 {
        font-size: 16px;
        color: #fff;
        font-weight: 600;
        margin-bottom: 18px;
        position: relative;
        padding-bottom: 10px;
    }
    .footer-col h4::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 30px;
        height: 2px;
        background: var(--accent);
        border-radius: 2px;
    }
    .footer-col ul li {
        margin-bottom: 10px;
    }
    .footer-col ul a {
        color: rgba(255, 255, 255, 0.6);
        font-size: 14px;
        transition: var(--transition);
    }
    .footer-col ul a:hover {
        color: var(--accent);
        padding-left: 6px;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding-top: 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.4);
        flex-wrap: wrap;
        gap: 8px;
    }
    .footer-bottom .domain {
        font-family: 'Courier New', monospace;
        letter-spacing: 0.5px;
    }
    @media (max-width: 1024px) {
        .nav-search input {
            width: 80px;
        }
        .nav-menu {
            gap: 20px;
        }
        .article-hero h1 {
            font-size: 32px;
        }
        .article-card {
            padding: 36px 28px;
        }
    }
    @media (max-width: 768px) {
        .nav-container {
            height: 64px;
            padding: 0 16px;
        }
        .nav-toggle {
            display: flex;
        }
        .nav-menu {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: rgba(11, 18, 32, 0.97);
            backdrop-filter: blur(20px);
            flex-direction: column;
            align-items: stretch;
            gap: 0;
            padding: 16px 24px 24px;
            transform: translateY(-120%);
            transition: transform 0.35s ease;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
            z-index: 999;
        }
        .nav-menu.open {
            transform: translateY(0);
        }
        .nav-menu a {
            padding: 14px 0;
            font-size: 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            color: rgba(255, 255, 255, 0.8);
        }
        .nav-menu a::after {
            display: none;
        }
        .nav-menu a.active,
        .nav-menu a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.03);
        }
        .nav-search {
            display: none;
        }
        .nav-cta .btn-primary {
            display: none;
        }
        .article-hero {
            padding: 130px 0 48px;
        }
        .article-hero h1 {
            font-size: 26px;
        }
        .article-meta {
            gap: 14px;
            font-size: 13px;
        }
        .article-main-section {
            padding: 32px 0 24px;
        }
        .article-card {
            padding: 28px 20px;
            border-radius: var(--radius-md);
        }
        .article-content {
            font-size: 15px;
        }
        .article-content h2 {
            font-size: 22px;
        }
        .article-footer {
            flex-direction: column;
            align-items: flex-start;
        }
        .sidebar {
            position: static;
            margin-top: 24px;
        }
        .related-section {
            padding: 48px 0;
        }
        .section-head h2 {
            font-size: 24px;
        }
        .rel-card-img {
            height: 160px;
        }
        .latest-section {
            padding: 48px 0;
        }
        .latest-card {
            padding: 24px 20px;
            border-radius: var(--radius-md);
        }
        .latest-item {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
            padding: 14px 0;
        }
        .latest-title {
            white-space: normal;
            line-height: 1.5;
        }
        .latest-cat {
            align-self: flex-start;
        }
        .cta-section {
            padding: 48px 0;
        }
        .cta-box h2 {
            font-size: 26px;
        }
        .cta-actions {
            flex-direction: column;
            align-items: center;
        }
        .cta-actions .btn {
            width: 100%;
        }
        .footer-top {
            grid-template-columns: 1fr;
            gap: 32px;
        }
    }
    @media (max-width: 520px) {
        .article-hero h1 {
            font-size: 22px;
        }
        .article-meta {
            flex-direction: column;
            gap: 8px;
        }
        .section-head h2 {
            font-size: 22px;
        }
        .not-found-card {
            padding: 40px 24px;
        }
        .not-found-card h2 {
            font-size: 22px;
        }
        .rel-card-img {
            height: 140px;
        }
        .latest-date {
            font-size: 11px;
        }
        .latest-title {
            font-size: 14px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
            gap: 4px;
        }
    }

/* roulang page: category1 */
:root {
            --primary: #e11d48;
            --primary-dark: #be123c;
            --primary-light: #fff1f2;
            --accent: #f59e0b;
            --dark: #0f172a;
            --dark-soft: #1e293b;
            --body: #f1f5f9;
            --surface: #ffffff;
            --text: #0f172a;
            --muted: #64748b;
            --border: #e2e8f0;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06);
            --shadow: 0 12px 32px rgba(15, 23, 42, 0.09);
            --shadow-lg: 0 24px 56px rgba(15, 23, 42, 0.16);
            --transition: 0.25s ease;
            --header-h: 76px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--body);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .grid-x .cell {
            min-width: 0;
        }

        .section {
            padding: 84px 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 18px;
            flex-wrap: wrap;
            margin-bottom: 38px;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 800;
            letter-spacing: 0.12em;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .section-eyebrow::before {
            content: "";
            width: 22px;
            height: 3px;
            border-radius: 4px;
            background: var(--accent);
        }

        .section-title {
            font-size: clamp(26px, 3vw, 38px);
            font-weight: 900;
            line-height: 1.25;
            margin: 8px 0 0;
            color: var(--dark);
            letter-spacing: -0.02em;
        }

        .section-title.light {
            color: #fff;
        }

        .section-desc {
            max-width: 620px;
            color: var(--muted);
            font-size: 15px;
            margin: 10px 0 0;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 14px;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            white-space: nowrap;
        }

        .badge-solid {
            background: var(--primary);
            color: #fff;
        }

        .badge-accent {
            background: rgba(245, 158, 11, 0.14);
            color: #b45309;
        }

        .badge-dark {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 999px;
            border: 0;
            font-size: 14px;
            font-weight: 700;
            line-height: 1;
            cursor: pointer;
            transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #f43f5e);
            color: #fff;
            box-shadow: 0 10px 24px rgba(225, 29, 72, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(225, 29, 72, 0.38);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        .btn-light {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
        }

        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 800;
            color: var(--primary);
            transition: gap 0.25s ease;
        }

        .read-more:hover {
            gap: 12px;
        }

        .meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--muted);
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            display: flex;
            align-items: center;
            background: rgba(15, 23, 42, 0.26);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(15, 23, 42, 0.92);
            box-shadow: 0 8px 30px rgba(2, 6, 23, 0.3);
        }

        .nav-container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 900;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 16px;
            box-shadow: 0 8px 20px rgba(225, 29, 72, 0.32);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-menu a {
            padding: 10px 18px;
            border-radius: 999px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 600;
            transition: background 0.25s ease, color 0.25s ease;
        }

        .nav-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
        }

        .nav-menu a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 8px 20px rgba(225, 29, 72, 0.35);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 999px;
            padding: 8px 16px;
            width: 180px;
            color: rgba(255, 255, 255, 0.7);
            transition: background 0.25s ease, width 0.25s ease;
        }

        .nav-search input {
            background: transparent;
            border: 0;
            outline: none;
            color: #fff;
            width: 100%;
            font-size: 14px;
        }

        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 17px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .page-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: 150px 0 84px;
            color: #fff;
            background:
                linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(30, 41, 59, 0.72)),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            right: -120px;
            bottom: -120px;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.22), transparent 65%);
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color 0.2s ease;
        }

        .hero-breadcrumb a:hover {
            color: #fff;
        }

        .hero-breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.4);
        }

        .hero-title {
            font-size: clamp(36px, 5vw, 60px);
            font-weight: 900;
            line-height: 1.15;
            margin: 18px 0 20px;
            letter-spacing: -0.02em;
        }

        .hero-title .accent {
            color: var(--accent);
        }

        .hero-lead {
            max-width: 720px;
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            margin: 0 0 34px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: 52px;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius);
            padding: 20px 22px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .stat-num {
            font-size: 36px;
            line-height: 1.1;
            font-weight: 900;
            color: #fff;
        }

        .stat-label {
            margin-top: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .featured-section {
            background: var(--body);
        }

        .featured-card {
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .featured-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .featured-cover-link {
            display: block;
            overflow: hidden;
        }

        .featured-cover-link img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .featured-card:hover .featured-cover-link img {
            transform: scale(1.04);
        }

        .featured-body {
            padding: 26px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            flex: 1;
        }

        .featured-title {
            font-size: 22px;
            line-height: 1.5;
            font-weight: 900;
            margin: 0;
        }

        .featured-excerpt {
            color: var(--muted);
            font-size: 15px;
            margin: 0;
        }

        .news-side-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-row {
            display: flex;
            gap: 16px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 14px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

        .news-row:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

        .news-row-thumb {
            flex: 0 0 116px;
        }

        .news-row-thumb img {
            width: 116px;
            height: 88px;
            object-fit: cover;
            border-radius: 10px;
        }

        .news-row-body {
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .news-row-title {
            font-size: 15px;
            line-height: 1.55;
            font-weight: 800;
            margin: 0;
        }

        .news-row-title a:hover {
            color: var(--primary);
        }

        .news-grid-section {
            background: var(--surface);
        }

        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .filter-tab {
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--body);
            border: 1px solid var(--border);
            color: var(--muted);
            font-size: 13px;
            font-weight: 700;
            transition: all 0.25s ease;
        }

        .filter-tab:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .filter-tab.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 8px 20px rgba(225, 29, 72, 0.28);
        }

        .news-card {
            height: 100%;
            display: flex;
            flex-direction: column;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .news-card-cover {
            display: block;
            overflow: hidden;
        }

        .news-card-cover img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-card:hover .news-card-cover img {
            transform: scale(1.06);
        }

        .news-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .news-card-title {
            margin: 0;
            font-size: 17px;
            line-height: 1.5;
            font-weight: 900;
        }

        .news-card-title a:hover {
            color: var(--primary);
        }

        .news-card-text {
            margin: 0;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-foot {
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px dashed var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 13px;
            color: var(--muted);
        }

        .text-link {
            font-weight: 700;
            color: var(--primary);
        }

        .text-link:hover {
            color: var(--primary-dark);
        }

        .data-section {
            position: relative;
            padding: 84px 0;
            color: #fff;
            background:
                linear-gradient(140deg, rgba(15, 23, 42, 0.97), rgba(30, 41, 59, 0.88)),
                url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
        }

        .ranking-card {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius);
            padding: 28px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        .ranking-card h3 {
            font-size: 19px;
            font-weight: 800;
            margin: 0 0 22px;
        }

        .metric-item {
            margin-bottom: 20px;
        }

        .metric-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 14px;
            margin-bottom: 7px;
        }

        .metric-head strong {
            color: var(--accent);
            font-size: 15px;
        }

        .metric-track {
            height: 8px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.12);
            overflow: hidden;
        }

        .metric-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .match-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .match-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
        }

        .match-date {
            flex: 0 0 52px;
            text-align: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            padding: 8px 4px;
            font-size: 15px;
            font-weight: 800;
            line-height: 1.3;
        }

        .match-date span {
            font-size: 11px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.6);
        }

        .match-info {
            flex: 1;
            min-width: 0;
        }

        .match-league {
            font-size: 12px;
            color: var(--accent);
            font-weight: 700;
            margin-bottom: 3px;
        }

        .match-team {
            font-size: 15px;
            font-weight: 800;
            color: #fff;
        }

        .match-team span {
            color: rgba(255, 255, 255, 0.5);
            font-weight: 500;
            font-size: 13px;
        }

        .match-status {
            flex: 0 0 auto;
            font-size: 13px;
            font-weight: 800;
            color: #fff;
            background: rgba(225, 29, 72, 0.85);
            border-radius: 999px;
            padding: 6px 12px;
        }

        .topic-section {
            background: var(--body);
        }

        .topic-card {
            height: 100%;
            display: flex;
            flex-direction: column;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .topic-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .topic-cover {
            display: block;
            overflow: hidden;
        }

        .topic-cover img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .topic-card:hover .topic-cover img {
            transform: scale(1.05);
        }

        .topic-body {
            padding: 22px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
            flex: 1;
        }

        .topic-body h3 {
            font-size: 20px;
            font-weight: 900;
            margin: 0;
        }

        .topic-body p {
            color: var(--muted);
            font-size: 14px;
            margin: 0 0 8px;
            flex: 1;
        }

        .faq-section {
            background: var(--surface);
        }

        .faq-item {
            background: var(--body);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 18px 22px;
            margin-bottom: 14px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .faq-item:hover {
            border-color: rgba(225, 29, 72, 0.4);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            font-size: 16px;
            font-weight: 800;
            color: var(--dark);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 13px;
            color: var(--primary);
            transition: transform 0.25s ease;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-answer {
            margin-top: 12px;
            padding-top: 14px;
            border-top: 1px dashed var(--border);
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .cta-section {
            background: var(--body);
        }

        .cta-box {
            position: relative;
            overflow: hidden;
            background:
                linear-gradient(135deg, rgba(225, 29, 72, 0.94), rgba(245, 158, 11, 0.88)),
                url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-radius: 28px;
            padding: 64px 48px;
            text-align: center;
            color: #fff;
        }

        .cta-box h2 {
            font-size: clamp(26px, 3.4vw, 40px);
            font-weight: 900;
            margin: 0 0 14px;
        }

        .cta-box p {
            max-width: 620px;
            margin: 0 auto 30px;
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.9);
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        .site-footer {
            background: #0b1220;
            color: rgba(255, 255, 255, 0.72);
            padding: 64px 0 28px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 44px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 900;
            margin-bottom: 14px;
        }

        .footer-brand p {
            max-width: 360px;
            margin: 0;
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            margin: 0 0 18px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.58);
            font-size: 14px;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 26px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 14px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .domain {
            letter-spacing: 0.02em;
        }

        @media (max-width: 1024px) {
            .nav-search {
                width: 140px;
            }

            .nav-menu a {
                padding: 9px 13px;
                font-size: 14px;
            }

            .hero-title {
                font-size: 44px;
            }

            .hero-stats {
                gap: 14px;
            }
        }

        @media (max-width: 900px) {
            .nav-toggle {
                display: inline-flex;
            }

            .nav-search {
                display: none;
            }

            .nav-cta .btn {
                display: none;
            }

            .nav-menu {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                background: rgba(15, 23, 42, 0.97);
                backdrop-filter: blur(18px);
                padding: 18px 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                display: none;
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-menu a {
                padding: 13px 16px;
                border-radius: 12px;
                text-align: center;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }

            .page-hero {
                min-height: 480px;
                padding: 130px 0 60px;
            }

            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }

            .featured-cover-link img {
                height: 240px;
            }

            .news-row-thumb,
            .news-row-thumb img {
                width: 100px;
                height: 82px;
            }

            .cta-box {
                padding: 44px 24px;
            }
        }

        @media (max-width: 520px) {
            .container,
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-logo {
                font-size: 17px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
            }

            .page-hero {
                min-height: 520px;
                padding: 120px 0 54px;
            }

            .hero-title {
                font-size: 34px;
            }

            .hero-lead {
                font-size: 15px;
            }

            .hero-stats {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-card {
                padding: 16px;
            }

            .stat-num {
                font-size: 28px;
            }

            .news-row {
                flex-direction: column;
            }

            .news-row-thumb,
            .news-row-thumb img {
                width: 100%;
                height: 160px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --primary-soft: #dbeafe;
            --accent: #f59e0b;
            --accent-soft: #fef3c7;
            --dark: #0b1222;
            --dark-2: #111a2e;
            --text: #1e293b;
            --text-weak: #64748b;
            --bg: #f8fafc;
            --bg-alt: #f1f5f9;
            --white: #ffffff;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(15, 23, 42, .08);
            --shadow-lg: 0 12px 40px rgba(15, 23, 42, .12);
            --transition: all .25s ease;
            --container: 1280px;
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        a:hover {
            color: var(--primary);
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }

        /* 容器 */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 32px;
        }
        .row {
            max-width: var(--container);
            margin: 0 auto;
            width: 100%;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 20px;
            }
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(37, 99, 235, .35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, .4);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--text);
            border-color: var(--border);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(37, 99, 235, .04);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--dark);
            box-shadow: 0 4px 20px rgba(255, 255, 255, .15);
        }
        .btn-light:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(37, 99, 235, .35);
            outline-offset: 2px;
        }

        /* 标签 */
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            background: var(--primary-soft);
            color: var(--primary-dark);
            letter-spacing: .3px;
        }
        .tag-accent {
            background: var(--accent-soft);
            color: #b45309;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 30px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .5px;
            text-transform: uppercase;
        }
        .section-tag i {
            font-size: 14px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .86);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(226, 232, 240, .7);
            box-shadow: 0 1px 20px rgba(15, 23, 42, .04);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, .96);
            box-shadow: 0 4px 30px rgba(15, 23, 42, .1);
            border-bottom: 1px solid rgba(226, 232, 240, .9);
        }
        .nav-container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 32px;
            height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(37, 99, 235, .3);
        }
        .site-logo:hover {
            color: var(--dark);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
        }
        .nav-menu a {
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            transition: var(--transition);
        }
        .nav-menu a:hover {
            background: rgba(37, 99, 235, .08);
            color: var(--primary);
        }
        .nav-menu a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(37, 99, 235, .35);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: 40px;
            padding: 0 16px;
            height: 42px;
            width: 220px;
            gap: 8px;
            transition: var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
        }
        .nav-search i {
            color: var(--text-weak);
            font-size: 14px;
        }
        .nav-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 13px;
            width: 100%;
            color: var(--text);
        }
        .nav-search input::placeholder {
            color: #94a3b8;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--bg-alt);
            color: var(--text);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }
        @media (max-width: 1024px) {
            .nav-search {
                display: none;
            }
            .nav-cta {
                gap: 10px;
            }
            .nav-cta .btn {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-menu {
                position: fixed;
                top: 76px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px 20px 20px;
                box-shadow: 0 20px 40px rgba(15, 23, 42, .12);
                border-radius: 0 0 16px 16px;
                display: none;
                z-index: 999;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                border-radius: 10px;
            }
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            padding: 180px 0 90px;
            background: linear-gradient(135deg, rgba(13, 20, 40, .92), rgba(23, 37, 84, .82)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(37, 99, 235, .2);
            filter: blur(80px);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 24px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .8);
            transition: color .2s;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb i {
            font-size: 12px;
            opacity: .6;
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }
        .page-hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 16px;
            max-width: 640px;
        }
        .page-hero h1 span {
            color: var(--accent);
        }
        .page-hero .lead {
            font-size: 18px;
            color: rgba(255, 255, 255, .85);
            max-width: 620px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .hero-stats {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding-top: 36px;
        }
        .stat-item {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius);
            padding: 20px 32px;
            text-align: center;
            min-width: 150px;
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .14);
            transform: translateY(-3px);
        }
        .stat-num {
            display: block;
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .stat-num em {
            font-style: normal;
            color: var(--accent);
        }
        .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, .75);
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 140px 0 60px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .page-hero .lead {
                font-size: 16px;
            }
            .hero-stats {
                gap: 10px;
            }
            .stat-item {
                padding: 16px 20px;
                min-width: 105px;
            }
            .stat-num {
                font-size: 26px;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-head {
            margin-bottom: 48px;
            max-width: 720px;
        }
        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-head .section-tag {
            margin-bottom: 16px;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            letter-spacing: -0.8px;
            line-height: 1.25;
            margin-bottom: 14px;
            color: var(--dark);
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-weak);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .section-head h2 {
                font-size: 27px;
            }
        }

        /* ===== 玩法总览卡片 ===== */
        .type-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .type-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(37, 99, 235, .3);
        }
        .type-card .card-media {
            position: relative;
            padding-top: 60%;
            overflow: hidden;
        }
        .type-card .card-media img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .type-card:hover .card-media img {
            transform: scale(1.05);
        }
        .type-card .card-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(10, 15, 30, .35));
        }
        .type-card .card-body {
            padding: 24px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .type-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .type-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.65;
            flex: 1;
        }
        .type-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .type-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 16px;
            transition: gap .2s;
        }
        .type-card .card-link:hover {
            gap: 10px;
        }

        /* ===== 新手入门 ===== */
        .step-list {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .step-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px 22px;
            position: relative;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            box-shadow: 0 4px 12px rgba(37, 99, 235, .35);
        }
        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .step-list {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 640px) {
            .step-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 进阶策略 ===== */
        .strategy-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .strategy-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .strategy-card .strategy-media {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .strategy-card .strategy-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .strategy-card:hover .strategy-media img {
            transform: scale(1.06);
        }
        .strategy-card .strategy-icon {
            position: absolute;
            bottom: -20px;
            right: 20px;
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--accent), #d97706);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 6px 16px rgba(245, 158, 11, .4);
        }
        .strategy-card .strategy-body {
            padding: 26px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .strategy-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .strategy-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.65;
            flex: 1;
        }
        .strategy-card .strategy-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .strategy-card .strategy-meta .tag {
            font-size: 11px;
        }
        .strategy-card .strategy-meta span {
            font-size: 12px;
            color: var(--text-weak);
        }

        /* ===== 文章列表 ===== */
        .article-list-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            gap: 0;
            margin-bottom: 20px;
        }
        .article-list-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: rgba(37, 99, 235, .25);
            transform: translateY(-3px);
        }
        .article-thumb {
            width: 240px;
            min-height: 160px;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }
        .article-thumb img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .article-list-card:hover .article-thumb img {
            transform: scale(1.05);
        }
        .article-body {
            padding: 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-body .article-tags {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .article-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
            line-height: 1.4;
            transition: color .2s;
        }
        .article-list-card:hover .article-body h3 {
            color: var(--primary);
        }
        .article-body p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.65;
            flex: 1;
        }
        .article-body .article-date {
            font-size: 13px;
            color: #94a3b8;
            margin-top: 16px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        @media (max-width: 768px) {
            .article-list-card {
                flex-direction: column;
            }
            .article-thumb {
                width: 100%;
                height: 180px;
            }
            .article-body {
                padding: 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.active {
            border-color: rgba(37, 99, 235, .4);
            box-shadow: var(--shadow);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            text-align: left;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-weak);
            flex-shrink: 0;
            transition: all .3s;
        }
        .faq-item.active .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
            border-top: 1px solid transparent;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-item.active .faq-answer-inner {
            border-top-color: var(--border);
            margin-top: -2px;
            padding-top: 18px;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 100px 0;
            background: linear-gradient(135deg, #0b1222 0%, #1e3a8a 100%);
            color: #fff;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(37, 99, 235, .3);
            filter: blur(90px);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(245, 158, 11, .2);
            filter: blur(70px);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.8px;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, .8);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 72px 0;
            }
            .cta-section h2 {
                font-size: 27px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0b1222;
            color: rgba(255, 255, 255, .7);
            padding: 68px 0 0;
            font-size: 14px;
        }
        .site-footer .container {
            padding: 0 32px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }
        .footer-brand .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-brand .logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, .65);
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 22px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }
        .footer-bottom .domain {
            font-family: 'SF Mono', 'Fira Code', monospace;
            letter-spacing: .5px;
            background: rgba(255, 255, 255, .06);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
        }
        @media (max-width: 900px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0b1b2b;
            --primary-light: #162d42;
            --accent: #00c48c;
            --accent-dark: #00a876;
            --highlight: #ffb800;
            --bg: #f4f6fa;
            --card-bg: #ffffff;
            --text: #1e2d3d;
            --text-weak: #5b6b7c;
            --border: #e3e8ef;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-lg: 0 24px 48px rgba(11, 27, 43, 0.12);
            --shadow-sm: 0 6px 20px rgba(11, 27, 43, 0.08);
            --transition: 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 10px 24px rgba(0, 196, 140, 0.3);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(0, 196, 140, 0.36);
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.45);
            color: #fff;
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }
        .btn:active {
            transform: scale(0.97);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(0, 196, 140, 0.4);
            outline-offset: 2px;
        }

        /* header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.82);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.3);
            box-shadow: 0 2px 24px rgba(11, 27, 43, 0.06);
            transition: background 0.35s ease, box-shadow 0.35s ease;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 8px 30px rgba(11, 27, 43, 0.1);
        }
        .nav-container {
            max-width: 1380px;
            margin: 0 auto;
            padding: 0 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
            gap: 20px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: opacity 0.3s;
        }
        .site-logo:hover {
            opacity: 0.82;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent), var(--highlight));
            color: #fff;
            border-radius: 10px;
            font-size: 16px;
            box-shadow: 0 6px 16px rgba(0, 196, 140, 0.28);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-menu a {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: background 0.25s, color 0.25s;
        }
        .nav-menu a:hover {
            color: var(--accent-dark);
            background: rgba(0, 196, 140, 0.08);
        }
        .nav-menu a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 18px rgba(11, 27, 43, 0.2);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(11, 27, 43, 0.05);
            border-radius: 999px;
            padding: 8px 16px;
            gap: 8px;
            border: 1px solid transparent;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        .nav-search:focus-within {
            border-color: rgba(0, 196, 140, 0.4);
            box-shadow: 0 0 0 4px rgba(0, 196, 140, 0.1);
        }
        .nav-search i {
            color: var(--text-weak);
            font-size: 14px;
        }
        .nav-search input {
            background: transparent;
            border: none;
            font-size: 14px;
            color: var(--text);
            width: 100px;
        }
        .nav-search input::placeholder {
            color: rgba(91, 107, 124, 0.8);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            color: var(--primary);
            font-size: 22px;
            cursor: pointer;
            padding: 6px;
            border-radius: 8px;
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        /* banner */
        .page-banner {
            position: relative;
            padding: 180px 0 90px;
            overflow: hidden;
            color: #fff;
            background: var(--primary);
        }
        .banner-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
        }
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(118deg, rgba(11, 27, 43, 0.92) 30%, rgba(11, 27, 43, 0.55) 68%, rgba(0, 196, 140, 0.28));
        }
        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.14);
            -webkit-backdrop-filter: blur(4px);
            backdrop-filter: blur(4px);
            font-size: 13px;
            margin-bottom: 22px;
            border: 1px solid rgba(255, 255, 255, 0.14);
        }
        .breadcrumb a {
            opacity: 0.75;
            transition: opacity 0.3s;
        }
        .breadcrumb a:hover {
            opacity: 1;
        }
        .breadcrumb i {
            font-size: 12px;
            opacity: 0.7;
        }
        .banner-content h1 {
            font-size: 46px;
            line-height: 1.15;
            font-weight: 800;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }
        .banner-content h1 span {
            color: var(--highlight);
        }
        .banner-content p {
            font-size: 17px;
            line-height: 1.75;
            opacity: 0.88;
            max-width: 660px;
            margin-bottom: 30px;
        }
        .banner-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* stats */
        .stats-section {
            padding: 76px 0 70px;
            position: relative;
            z-index: 3;
            margin-top: -34px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .stat-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 30px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(227, 232, 239, 0.7);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .stat-number {
            display: block;
            font-size: 38px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stat-number em {
            font-style: normal;
            color: var(--accent);
        }
        .stat-label {
            display: block;
            margin-top: 8px;
            color: var(--text-weak);
            font-size: 14px;
            font-weight: 500;
        }

        /* section head */
        .section-head {
            margin-bottom: 42px;
        }
        .section-head.center {
            text-align: center;
            max-width: 680px;
            margin-left: auto;
            margin-right: auto;
        }
        .eyebrow {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(0, 196, 140, 0.1);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--primary);
            letter-spacing: -0.015em;
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--text-weak);
            font-size: 16px;
            line-height: 1.75;
        }

        /* rank category */
        .rank-cat-section {
            padding: 40px 0 30px;
        }
        .rank-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .rank-tag {
            padding: 12px 26px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--border);
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 2px 8px rgba(11, 27, 43, 0.04);
        }
        .rank-tag i {
            color: var(--accent);
            font-size: 14px;
        }
        .rank-tag:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(0, 196, 140, 0.16);
        }
        .rank-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 12px 24px rgba(11, 27, 43, 0.24);
        }
        .rank-tag.active i {
            color: var(--highlight);
        }

        /* rank cards */
        .hot-rank-section {
            padding: 70px 0;
        }
        .rank-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }
        .rank-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid rgba(227, 232, 239, 0.7);
            box-shadow: var(--shadow-sm);
            transition: transform 0.35s, box-shadow 0.35s;
            display: flex;
            flex-direction: column;
        }
        .rank-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        .card-cover {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .rank-card:hover .card-cover img {
            transform: scale(1.06);
        }
        .card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 45%, rgba(11, 27, 43, 0.55));
        }
        .card-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.92);
            -webkit-backdrop-filter: blur(4px);
            backdrop-filter: blur(4px);
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
        }
        .rank-card-body {
            padding: 24px 26px 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .rank-card-body h3 {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 10px;
            font-weight: 700;
        }
        .rank-card-body p {
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 18px;
        }
        .rank-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-weak);
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }
        .rank-meta .update {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-dark);
            font-weight: 600;
            font-size: 13px;
        }
        .rank-meta .update i {
            font-size: 12px;
        }

        /* insight articles */
        .insight-section {
            padding: 70px 0;
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .insight-list {
            max-width: 920px;
            margin: 0 auto;
        }
        .insight-item {
            display: flex;
            gap: 24px;
            padding: 30px 0;
            border-bottom: 1px solid var(--border);
            transition: transform 0.3s;
        }
        .insight-item:last-child {
            border-bottom: none;
        }
        .insight-item:hover {
            transform: translateX(6px);
        }
        .insight-info {
            flex: 1;
        }
        .insight-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 6px;
            background: rgba(0, 196, 140, 0.1);
            color: var(--accent-dark);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 10px;
        }
        .insight-info h3 {
            font-size: 19px;
            color: var(--primary);
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
        }
        .insight-info h3 a {
            transition: color 0.3s;
        }
        .insight-info h3 a:hover {
            color: var(--accent-dark);
        }
        .insight-info p {
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .insight-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            font-size: 13px;
            color: var(--text-weak);
        }
        .insight-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .insight-meta i {
            font-size: 12px;
            color: var(--accent);
        }

        /* process */
        .process-section {
            padding: 70px 0;
            background: var(--primary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .process-section::before {
            content: '';
            position: absolute;
            right: -120px;
            top: -120px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(0, 196, 140, 0.35), transparent 70%);
            border-radius: 50%;
        }
        .process-section .section-head h2 {
            color: #fff;
        }
        .process-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }
        .process-section .eyebrow {
            background: rgba(0, 196, 140, 0.16);
            color: var(--highlight);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 1;
        }
        .process-step {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 34px 28px;
            transition: background 0.3s, transform 0.3s;
            -webkit-backdrop-filter: blur(4px);
            backdrop-filter: blur(4px);
        }
        .process-step:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-6px);
        }
        .step-num {
            font-size: 44px;
            font-weight: 800;
            line-height: 1;
            color: rgba(0, 196, 140, 0.9);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            display: block;
        }
        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .process-step p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
        }

        /* faq */
        .faq-section {
            padding: 70px 0;
        }
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .accordion {
            background: transparent;
            border: none;
        }
        .accordion-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow 0.3s, border-color 0.3s;
        }
        .accordion-item:hover {
            border-color: rgba(0, 196, 140, 0.5);
            box-shadow: var(--shadow-sm);
        }
        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            gap: 12px;
            transition: color 0.3s;
            border: none;
            background: transparent;
        }
        .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--accent);
            transition: transform 0.25s;
            flex-shrink: 0;
        }
        .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
        }
        .accordion-title:hover,
        .accordion-item.is-active .accordion-title {
            color: var(--accent-dark);
        }
        .accordion-content {
            padding: 0 28px 24px;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.75;
            border: none;
            background: transparent;
        }
        .accordion-content p {
            margin-bottom: 0;
        }

        /* cta */
        .cta-section {
            padding: 0 0 80px;
        }
        .cta-box {
            background: linear-gradient(120deg, #0b1b2b 20%, #14324b 70%, rgba(0, 196, 140, 0.75));
            border-radius: 24px;
            padding: 54px 60px;
            color: #fff;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 36px;
            box-shadow: 0 32px 64px rgba(11, 27, 43, 0.2);
        }
        .cta-box::after {
            content: '';
            position: absolute;
            right: -80px;
            bottom: -80px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(255, 184, 0, 0.35), transparent 70%);
            border-radius: 50%;
        }
        .cta-text {
            position: relative;
            z-index: 1;
        }
        .cta-text h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .cta-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 480px;
        }
        .cta-form {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 12px;
            min-width: 380px;
            background: rgba(255, 255, 255, 0.12);
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
            padding: 8px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.16);
        }
        .cta-form input {
            background: transparent;
            border: none;
            padding: 12px 18px;
            color: #fff;
            font-size: 15px;
            flex: 1;
            min-width: 0;
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .cta-form .btn {
            background: var(--highlight);
            color: var(--primary);
            border-radius: 999px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 700;
        }
        .cta-form .btn:hover {
            background: #ffc933;
            transform: translateY(-2px);
        }

        /* footer */
        .site-footer {
            background: #08141f;
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .logo .logo-icon {
            background: linear-gradient(135deg, var(--accent), var(--highlight));
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col h4 {
            font-size: 16px;
            color: #fff;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.3s, padding-left 0.3s;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 6px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 26px 0 30px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom .domain {
            letter-spacing: 0.08em;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.3);
        }

        /* mobile nav */
        @media (max-width: 1023px) {
            .nav-menu {
                position: fixed;
                top: 74px;
                right: 0;
                width: 280px;
                height: calc(100vh - 74px);
                background: rgba(255, 255, 255, 0.98);
                -webkit-backdrop-filter: blur(20px);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 24px 20px;
                gap: 8px;
                transform: translateX(100%);
                transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
                box-shadow: -12px 0 40px rgba(11, 27, 43, 0.12);
                border-left: 1px solid var(--border);
                overflow-y: auto;
            }
            .nav-menu.open {
                transform: translateX(0);
            }
            .nav-menu a {
                padding: 14px 18px;
                font-size: 16px;
                border-radius: 12px;
            }
            .nav-search {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-cta .btn {
                display: none;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rank-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .cta-box {
                flex-direction: column;
                padding: 44px 36px;
            }
            .cta-form {
                min-width: 0;
                width: 100%;
            }
            .banner-content h1 {
                font-size: 36px;
            }
        }
        @media (max-width: 767px) {
            .nav-container {
                height: 64px;
                padding: 0 18px;
            }
            .site-logo {
                font-size: 18px;
            }
            .site-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
            .nav-menu {
                top: 64px;
                height: calc(100vh - 64px);
            }
            .page-banner {
                padding: 130px 0 60px;
            }
            .banner-content h1 {
                font-size: 30px;
            }
            .banner-content p {
                font-size: 15px;
            }
            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-card {
                padding: 24px 16px;
            }
            .stat-number {
                font-size: 30px;
            }
            .rank-card-grid {
                grid-template-columns: 1fr;
            }
            .insight-item {
                flex-direction: column;
                gap: 14px;
                padding: 22px 0;
            }
            .insight-meta {
                flex-wrap: wrap;
                gap: 12px;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .process-step {
                padding: 26px 22px;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .faq-section {
                padding: 56px 0;
            }
            .accordion-title {
                padding: 18px 20px;
                font-size: 15px;
            }
            .accordion-content {
                padding: 0 20px 20px;
            }
            .cta-section {
                padding: 0 0 56px;
            }
            .cta-box {
                padding: 36px 24px;
                border-radius: 20px;
            }
            .cta-text h2 {
                font-size: 24px;
            }
            .cta-form {
                flex-direction: column;
                border-radius: 18px;
                padding: 12px;
            }
            .cta-form .btn {
                width: 100%;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .container {
                padding: 0 18px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .rank-tag-list {
                gap: 10px;
            }
            .rank-tag {
                padding: 10px 18px;
                font-size: 14px;
            }
        }